# S2 Pro — Use via Hanzo AI API

> S2 Pro is a multilingual text-to-speech model from Fish Audio. It is suited... Call via Hanzo's OpenAI-compatible API.

[Models](https://hanzo.ai/models)/[fish-audio](https://hanzo.ai/models/fish-audio)/s2-pro

fish-audio

# S2 Pro

S2 Pro is a multilingual text-to-speech model from Fish Audio.

[Get API key](https://platform.hanzo.ai/api-keys)[Try in Chat](https://hanzo.ai/chat)

## Specifications

Modalitiesspeech

Price…

Model IDfish-audio/s2-pro

## Quick start

[Get an API key →](https://platform.hanzo.ai/api-keys)

TypeScript

Python

cURL

Go

TypeScript

```
import OpenAI from 'openai' const client = new OpenAI({ apiKey: process.env.HANZO_API_KEY, baseURL: 'https://api.hanzo.ai/v1' }) const response = await client.chat.completions.create({ model: 'fish-audio/s2-pro', messages: [{ role: 'user', content: 'Hello!' }] }) console.log(response.choices[0].message.content)
```

Python

```
from openai import OpenAI client = OpenAI( api_key=os.environ["HANZO_API_KEY"], base_url="https://api.hanzo.ai/v1" ) response = client.chat.completions.create( model="fish-audio/s2-pro", messages=[{"role": "user", "content": "Hello!"}] ) print(response.choices[0].message.content)
```

cURL

```
curl https://api.hanzo.ai/v1/chat/completions \ -H "Content-Type: application/json" \ -H "Authorization: Bearer $HANZO_API_KEY" \ -d '{ "model": "fish-audio/s2-pro", "messages": [{"role": "user", "content": "Hello!"}] }'
```

Go

```
package main import ( "context" "fmt" "os" "github.com/sashabaranov/go-openai" ) func main() { cfg := openai.DefaultConfig(os.Getenv("HANZO_API_KEY")) cfg.BaseURL = "https://api.hanzo.ai/v1" client := openai.NewClientWithConfig(cfg) resp, _ := client.CreateChatCompletion(context.Background(), openai.ChatCompletionRequest{ Model: "fish-audio/s2-pro", Messages: []openai.ChatCompletionMessage{ {Role: openai.ChatMessageRoleUser, Content: "Hello!"}, }, }, ) fmt.Println(resp.Choices[0].Message.Content) }
```

…

## More from fish-audio

[Drama 3Drama 3 is a text-to-speech model from Fish Audio built for directed voice performances. You write the direction in plain language in square brackets before a line, such as `[nervous,...](https://hanzo.ai/models/fish-audio/drama-3)[S1S1 is a multilingual text-to-speech model from Fish Audio. It is suited for voice applications that need broad emotional expression, using parenthetical controls to guide speaking style across its supported...](https://hanzo.ai/models/fish-audio/s1)[S2.1 ProS2.1 Pro is a production-oriented text-to-speech model from Fish Audio. It is suited for multilingual voice applications, expressive narration, and dialogue synthesis, with open-ended natural-language controls for speaking style and...](https://hanzo.ai/models/fish-audio/s2.1-pro)[S2.1 Pro Free (free)S2.1 Pro Free is the no-cost variant of Fish Audio S2.1 Pro, intended for testing, prototyping, and low-volume applications. It provides the same synthesis capabilities without production latency or availability...](https://hanzo.ai/models/fish-audio/s2.1-pro-free:free)

[View all fish-audio models →](https://hanzo.ai/models/fish-audio)

## Use S2 Pro via Hanzo AI

One API key. Every major model. OpenAI-compatible. Start free.

[Get an API key](https://platform.hanzo.ai/api-keys)[Browse All Models](https://hanzo.ai/models)